1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

My first time building an aluminum radiator :)

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Old 06-20-10, 03:10 AM
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My first time building an aluminum radiator :)

Well more fabrication out of me again This time was my first time welding a radiator. The total cost of this was only about 250$CA. I bought the core locally, only one shop allowed me to purchase the core by itself, as they tell me I could steal their business away ...

Anyways the shop that I went to was also nice enough to give me the filler neck piece, and the upper and lower tubing for the hoses. All I had to fabricate was the tanks, and also heater hose tubing, along with the low coolant threaded piece (Its an M12x1.25 if anyone is curious.

Now the core itself is actually bigger than the stock one (I believe it was 21x18). It also a 2 row. The tanks are 3" wide and 2" deep. I was going to go with smaller tanks but after talking to a few knowledgeable racers locally, they recommended to go as big as I could. Now you will also notice that the flow isn't moving from top to bottom anymore like it is from stock. The reason that I went with this design though is because its suppose to cool the water better as it provides a longer travel path.

Anyways, here's a few pictures and no its not going to be sitting like that in the car:
Attached Thumbnails My first time building an aluminum radiator :)-picture-059.jpg   My first time building an aluminum radiator :)-picture-060.jpg   My first time building an aluminum radiator :)-picture-062.jpg   My first time building an aluminum radiator :)-picture-063.jpg   My first time building an aluminum radiator :)-picture-064.jpg  

My first time building an aluminum radiator :)-picture-065.jpg  
Old 06-20-10, 03:11 AM
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more pics in car:
Attached Thumbnails My first time building an aluminum radiator :)-picture-052.jpg   My first time building an aluminum radiator :)-picture-053.jpg   My first time building an aluminum radiator :)-picture-054.jpg  
Old 06-20-10, 07:00 AM
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nice job. u did put a divider in the one tank the hoses attach to right?
Old 06-20-10, 10:22 AM
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Dude, you never cease to amaze me. Your willingness to dive right in and do things that most of us would never even consider is quite admirable.

Do you think you'll have her back on her feet in time for the race?






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Old 06-20-10, 01:19 PM
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Yup there is a divider, if you look at the side by side comparison, you'll notice that there is a weld half way through holding the plate in.

Ken, I try to challenge myself as much as possible. I even took my broken clevis and welded a set screw to it as i couldn't find one the proper size in the time needed.

I actually might be able to make it, but i can't promise my alignment will be optimal like it was before. I had to borrow a pair of control arms for now, and they are a welded racing beat adjustable ones that have been previously welded on. The only major things to figure out is mounting of radiator, fix the bumper, figure out hoses for radiator and install all the other stuff.
Old 06-20-10, 01:29 PM
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Ken can you pm me your address and phone number? I keep on losing your number.
Old 06-20-10, 01:36 PM
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wow that a neat project... its actually really close to the radiator we used to run in the FC's, the divider was KEY, get a good seal, and the car won't warm up unless you beat on it
Old 06-20-10, 02:00 PM
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That's exactly what I was going for, the divider was so tight I had to tap it in place, also the bottom of it was shaped the same profile as the tanks inside, it still leaks past a bit, but should be decent.
Old 06-21-10, 03:58 PM
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Well just had it tested today for leaks, and not a single prob with it

Mounting will happen today and hopefully I can figure out hoses for it.
Old 06-21-10, 04:40 PM
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Cool rad Sam.

I have one I started for "My ultimate first gen track car project" I started about 5 years ago

Super wide core, so wide that the mounting bolts fit through bungs welded in the middle of the end tanks. It even has a finned tube in the LH tank for oil cooler lines to plumb through. Wanted to play around with the extra water cooling of the oil.

-billy
Old 06-21-10, 04:55 PM
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Originally Posted by bwaits_
Cool rad Sam.

I have one I started for "My ultimate first gen track car project" I started about 5 years ago

Super wide core, so wide that the mounting bolts fit through bungs welded in the middle of the end tanks. It even has a finned tube in the LH tank for oil cooler lines to plumb through. Wanted to play around with the extra water cooling of the oil.

-billy
Funny you say that, I was really toying with the idea of doing something like that also .. but time for that wasn't looking too good.

I'm still running the beehive cooler right now ... that still need to be upgraded to the front mount oil cooler sometime in its lifetime.
Old 06-21-10, 04:56 PM
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Originally Posted by bwaits_
Cool rad Sam.

I have one I started for "My ultimate first gen track car project" I started about 5 years ago

Super wide core, so wide that the mounting bolts fit through bungs welded in the middle of the end tanks. It even has a finned tube in the LH tank for oil cooler lines to plumb through. Wanted to play around with the extra water cooling of the oil.

-billy
that's our style! the k2rd/afco core size is as big as the opening... you should see pauls intercooler...
Old 06-21-10, 07:20 PM
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Originally Posted by dj55b
Funny you say that, I was really toying with the idea of doing something like that also ..
I think it would be neat to play with.

Originally Posted by j9fd3s
afco core
Exactly where we get ours.

I was feeling froggy so I dug it out.

The 1/2" tube slides inside the LH end tank. Inlet/outlet are -10 fitting. The rectangular parts are the "fins" that fit along the tube every 5/16". You can also see the holes in the end tanks close to the core. Those are mounts for the stock mounting locations, so like you said, core as big as the opening.

(for those following along, the coolant in the end tank runs past the "fins" as the oil runs through the middle of the tube. Idea is that the coolant will lower the temperature of the oil. Normally used as supplemental cooling not a replacement of the oil cooler.)





Attached Thumbnails My first time building an aluminum radiator :)-dsci0733.jpg   My first time building an aluminum radiator :)-dsci0735.jpg   My first time building an aluminum radiator :)-dsci0736.jpg  
Old 06-21-10, 08:01 PM
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i just found a couple pics of my 3 rotor, notice please the radiator

(pic was taken at sevenstock 5? so it would be 2002? e6k still)
Attached Thumbnails My first time building an aluminum radiator :)-rx-7_fc3s_sleeper_3_rotor_001.jpg  
Old 06-21-10, 10:37 PM
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Ambitious little guy, he is. Looks good buddy.
Old 06-21-10, 10:38 PM
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That's a pretty slick setup Billy. I assume the oil would pass through the tank prior to going
through a FMOC, correct?

And don't give Sam any more ideas. He needs to get his car put back
together so he can come racing with me this weekend.

(Sam, get off the computer and back to work boy!!!)
Old 06-21-10, 11:37 PM
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Lol, no computer, smart phone, like right now I'm at the gym and updating things
Old 06-21-10, 11:52 PM
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Lol, no computer, smart phone, like right now I'm at the gym and updating things
Old 06-22-10, 12:18 AM
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Looks like your phone does a great job!

Looks like your phone does a great job!


(resident smart-*** signing off now)
Old 06-22-10, 02:31 PM
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Wow this is an amazing radiator ! I had the car idling for about 30 min and couldn't get the car to heat up over 83 degrees celcius! I had to wait about 20 min just for the thermostat to open a bit.
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